ci starts bisection 2026-10-21 11:17:10.923851376 +0000 UTC m=+13219.466324837 bisecting fixing commit since a7c7074b58d28c4206d666a12aa2e33447b3c581 building syzkaller on 544adce92c4ed9bb14467417ab97dcb85ab6a8a5 ensuring issue is reproducible on original commit a7c7074b58d28c4206d666a12aa2e33447b3c581 testing commit a7c7074b58d28c4206d666a12aa2e33447b3c581 gcc compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 42eeb4196a08362e98bd792ba3316730aacc515548438dfd093b0694f68ff398 run #0: infra problem: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0x3d0083c919a0 0x3d0083c91a90 0x3d0083c91b30] Location: Message:The zone 'projects/syzkaller/zones/us-central1-b' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]} run #1: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #2: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #3: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #4: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #5: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #6: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #7: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #8: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #9: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #10: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #11: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #12: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #13: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #14: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #15: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #16: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #17: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #18: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #19: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io representative crash: KASAN: slab-use-after-free Read in raw_process_ep_io, types: [KASAN-USE-AFTER-FREE-READ] check whether we can drop unnecessary instrumentation disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed testing commit a7c7074b58d28c4206d666a12aa2e33447b3c581 gcc compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 71e3713e0fe889bfed1620d70c6337ce96cf74d921526b9c93160ed677232e98 run #0: infra problem: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0x3d0085d3f220 0x3d0085d3f310 0x3d0085d3f3b0] Location: Message:The zone 'projects/syzkaller/zones/us-central1-b' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]} run #1: infra problem: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0x3d0085f75090 0x3d0085f75180 0x3d0085f75220] Location: Message:The zone 'projects/syzkaller/zones/us-central1-b' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]} run #2: infra problem: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0x3d0086593040 0x3d0086593130 0x3d00865931d0] Location: Message:The zone 'projects/syzkaller/zones/us-central1-b' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]} run #3: infra problem: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0x3d00865932c0 0x3d00865933b0 0x3d0086593450] Location: Message:The zone 'projects/syzkaller/zones/us-central1-b' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]} run #4: infra problem: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0x3d0085f75360 0x3d0085f75450 0x3d0085f754f0] Location: Message:The zone 'projects/syzkaller/zones/us-central1-b' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]} run #5: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #6: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #7: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #8: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #9: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io representative crash: KASAN: slab-use-after-free Read in raw_process_ep_io, types: [KASAN-USE-AFTER-FREE-READ] the bug reproduces without the instrumentation disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed kconfig minimization: base=4169 full=8595 leaves diff=2131 split chunks (needed=false): <2131> split chunk #0 of len 2131 into 5 parts testing without sub-chunk 1/5 disabling configs for [memleak ubsan bug_or_warning locking atomic_sleep hang], they are not needed testing commit a7c7074b58d28c4206d666a12aa2e33447b3c581 gcc compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 2044313b5b93d9e9cab20ced121a5195c8b818eb484ca0a2c8c45e3ccbd442ff all runs: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io representative crash: KASAN: slab-use-after-free Read in raw_process_ep_io, types: [KASAN-USE-AFTER-FREE-READ] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning locking], they are not needed testing commit a7c7074b58d28c4206d666a12aa2e33447b3c581 gcc compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: d072942a68f0981b1aecad508341f742120eba20addb6680379df26b7285771b run #0: infra problem: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0x3d00855592c0 0x3d00855593b0 0x3d0085559450] Location: Message:The zone 'projects/syzkaller/zones/us-central1-b' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]} run #1: infra problem: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0x3d0083c917c0 0x3d0083c918b0 0x3d0083c91950] Location: Message:The zone 'projects/syzkaller/zones/us-central1-b' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]} run #2: infra problem: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0x3d00852054f0 0x3d00852055e0 0x3d0085205680] Location: Message:The zone 'projects/syzkaller/zones/us-central1-b' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]} run #3: infra problem: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0x3d0083c91a40 0x3d0083c91b30 0x3d0083c91bd0] Location: Message:The zone 'projects/syzkaller/zones/us-central1-b' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]} run #4: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #5: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #6: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #7: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #8: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #9: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io representative crash: KASAN: slab-use-after-free Read in raw_process_ep_io, types: [KASAN-USE-AFTER-FREE-READ] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning locking], they are not needed testing commit a7c7074b58d28c4206d666a12aa2e33447b3c581 gcc compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: bc2bb89d3e21e8ca9d1f9cb8a447afa072b6c3f74a63b3d77e3c5be9c48c22f2 all runs: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io representative crash: KASAN: slab-use-after-free Read in raw_process_ep_io, types: [KASAN-USE-AFTER-FREE-READ] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [ubsan bug_or_warning locking atomic_sleep hang memleak], they are not needed testing commit a7c7074b58d28c4206d666a12aa2e33447b3c581 gcc compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: f970558ae6dc5345d85a0a8eca1473d43690430e894acfc3febe50395dc58582 run #0: infra problem: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0x3d0085d3e370 0x3d0085d3e460 0x3d0085d3e500] Location: Message:The zone 'projects/syzkaller/zones/us-central1-b' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]} run #1: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #2: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #3: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #4: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #5: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #6: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #7: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #8: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #9: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io representative crash: KASAN: slab-use-after-free Read in raw_process_ep_io, types: [KASAN-USE-AFTER-FREE-READ] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [ubsan bug_or_warning locking atomic_sleep hang memleak], they are not needed testing commit a7c7074b58d28c4206d666a12aa2e33447b3c581 gcc compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 15e9bd1ecef90a611a628acb3a9d879c272e1d7370422c6e7241b363f536e1cf all runs: OK false negative chance: 0.000 minimized to 423 configs; suspects: [ATM BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT COMMON_CLK CONTIG_ALLOC DVB_CORE EXTCON GPIOLIB HID_ZEROPLUS I2C_MUX IIO IOMMUFD KVM KVM_INTEL LIBNVDIMM MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_VIPERBOARD NOP_USB_XCEIV PARPORT PCCARD PCMCIA PHONET RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RC_CORE RFKILL SND SOUND SPI SSB TAP TARGET_CORE TUN USB_AMD5536UDC USB_ATM USB_CDNS3 USB_CDNS3_GADGET USB_CDNS3_HOST USB_CDNS3_PCI_WRAP USB_CDNSP_PCI USB_CDNS_SUPPORT USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_GENERIC USB_CHIPIDEA_HOST USB_CHIPIDEA_MSM USB_CHIPIDEA_NPCM USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_MIDI2 USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_PHONET USB_CONFIGFS_RNDIS USB_CONFIGFS_SERIAL USB_CONN_GPIO USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2 USB_DWC2_HOST USB_DWC2_PCI USB_DWC3 USB_DWC3_GADGET USB_DWC3_GENERIC_PLAT USB_DWC3_HAPS USB_DWC3_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_FSL USB_EHCI_HCD_PLATFORM USB_EHCI_ROOT_HUB_TT USB_EHSET_TEST_FIXTURE USB_EMI26 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_MIDI2 USB_F_NCM USB_F_OBEX USB_F_PHONET USB_F_PRINTER USB_F_RNDIS USB_F_SERIAL USB_F_SS_LB USB_F_SUBSET USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGET USB_GADGETFS USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_GL860 USB_GOKU USB_GR_UDC USB_GSPCA USB_GSPCA_BENQ USB_GSPCA_CONEX USB_GSPCA_CPIA1 USB_GSPCA_DTCS033 USB_GSPCA_ETOMS USB_GSPCA_FINEPIX USB_GSPCA_JEILINJ USB_GSPCA_JL2005BCD USB_GSPCA_KINECT USB_GSPCA_KONICA USB_GSPCA_MARS USB_GSPCA_MR97310A USB_GSPCA_NW80X USB_GSPCA_OV519 USB_GSPCA_OV534 USB_GSPCA_OV534_9 USB_GSPCA_PAC207 USB_GSPCA_PAC7302 USB_GSPCA_PAC7311 USB_GSPCA_SE401 USB_GSPCA_SN9C2028 USB_GSPCA_SN9C20X USB_GSPCA_SONIXB USB_GSPCA_SONIXJ USB_GSPCA_SPCA1528 USB_GSPCA_SPCA500 USB_GSPCA_SPCA501 USB_GSPCA_SPCA505 USB_GSPCA_SPCA506 USB_GSPCA_SPCA508 USB_GSPCA_SPCA561 USB_GSPCA_SQ905 USB_GSPCA_SQ905C USB_GSPCA_SQ930X USB_GSPCA_STK014 USB_GSPCA_STK1135 USB_GSPCA_STV0680 USB_GSPCA_SUNPLUS USB_GSPCA_T613 USB_GSPCA_TOPRO USB_GSPCA_TOUPTEK USB_GSPCA_TV8532 USB_GSPCA_VC032X USB_GSPCA_VICAM USB_GSPCA_XIRLINK_CIT USB_GSPCA_ZC3XX USB_HACKRF USB_HCD_BCMA USB_HCD_SSB USB_HSIC_USB3503 USB_HSIC_USB4604 USB_HSO USB_HUB_USB251XB USB_IDMOUSE USB_IOWARRIOR USB_IPHETH USB_ISIGHTFW USB_ISP116X_HCD USB_ISP1301 USB_ISP1760 USB_ISP1760_DUAL_ROLE USB_ISP1760_HCD USB_ISP1761_UDC USB_KAWETH USB_KC2190 USB_KEENE USB_LAN78XX USB_LCD USB_LD USB_LEDS_TRIGGER_USBPORT USB_LED_TRIG USB_LEGOTOWER USB_LGM_PHY USB_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_M5602 USB_MA901 USB_MAX3420_UDC USB_MAX3421_HCD USB_MDC800 USB_MICROTEK USB_MR800 USB_MSI2500 USB_MUSB_DUAL_ROLE USB_MUSB_HDRC USB_NET2280 USB_NET_AQC111 USB_NET_AX88179_178A USB_NET_AX8817X USB_NET_CDCETHER USB_NET_CDC_EEM USB_NET_CDC_MBIM USB_NET_CDC_NCM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_CH9200 USB_NET_CX82310_ETH USB_NET_DM9601 USB_NET_GL620A USB_NET_HUAWEI_CDC_NCM USB_NET_INT51X1 USB_NET_KALMIA USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_QMI_WWAN USB_NET_RNDIS_HOST USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_OXU210HP_HCD USB_PEGASUS USB_PULSE8_CEC USB_PWC USB_PWC_INPUT_EVDEV USB_PXA27X USB_R8A66597 USB_R8A66597_HCD USB_RAINSHADOW_CEC USB_RAREMONO USB_RAW_GADGET USB_RTL8150 USB_RTL8152 USB_RTL8153_ECM USB_S2255 USB_SERIAL USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE USB_SERIAL_CP210X USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT USB_SERIAL_WISHBONE USB_SERIAL_WWAN USB_SERIAL_XR USB_SERIAL_XSENS_MT USB_SEVSEG USB_SI470X USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_ENE_UB6250 USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_UAS USB_UEAGLEATM USB_ULPI_BUS USB_USBNET USB_USS720 USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_VIDEO_CLASS USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PCI_RENESAS USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USERFAULTFD USERIO USER_RETURN_NOTIFIER UVC_COMMON U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VETH VFIO VFIO_DEVICE_CDEV VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_TASK VHOST_VDPA VHOST_VSOCK VIDEO VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VIRT_XFER_TO_GUEST_WORK VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMAP_PFN VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS WANT_DEV_COREDUMP WEXT_CORE WEXT_PROC WIREGUARD WIRELESS WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_SILABS X86_FRED X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK X86_X32_ABI XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_BTREE_IN_MEM XFS_DRAIN_INTENTS XFS_FS XFS_LIVE_HOOKS XFS_MEMORY_BUFS XFS_ONLINE_REPAIR XFS_ONLINE_SCRUB XFS_POSIX_ACL XFS_QUOTA XFS_RT XILLYBUS_CLASS XILLYUSB XOR_BLOCKS XOR_BLOCKS_ARCH YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZRAM ZRAM_BACKEND_FORCE_LZO ZRAM_BACKEND_LZO ZRAM_DEF_COMP_LZO ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_842 ZSWAP_DEFAULT_ON ZSWAP_SHRINKER_DEFAULT_ON] disabling configs for [memleak ubsan bug_or_warning locking atomic_sleep hang], they are not needed testing current HEAD a804c5742bff224d4cb4d25dd383554d598be32b testing commit a804c5742bff224d4cb4d25dd383554d598be32b gcc compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 kernel signature: 085cf67a0c9d5a34f3eb54b6232f57c43be065bc9b4201ca787e91ea1fcb3821 run #0: infra problem: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0x3d0085d3e780 0x3d0085d3e870 0x3d0085d3e910] Location: Message:The zone 'projects/syzkaller/zones/us-central1-b' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]} run #1: infra problem: &{Code:ZONE_RESOURCE_POOL_EXHAUSTED_WITH_DETAILS ErrorDetails:[0x3d0083c90960 0x3d0083c90a50 0x3d0083c90af0] Location: Message:The zone 'projects/syzkaller/zones/us-central1-b' does not have enough resources available to fulfill the request. '(resource type:compute)'. ForceSendFields:[] NullFields:[]} run #2: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #3: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #4: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #5: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #6: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #7: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #8: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io run #9: crashed: KASAN: slab-use-after-free Read in raw_process_ep_io representative crash: KASAN: slab-use-after-free Read in raw_process_ep_io, types: [KASAN-USE-AFTER-FREE-READ] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 5h7m40.759855228s (build: 2h59m3.522223548s, test: 1h10m25.325187385s) crash still not fixed or there were kernel test errors commit msg: Merge tag 'lsm-pr-20261016' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm crash: KASAN: slab-use-after-free Read in raw_process_ep_io raw-gadget.0 gadget.0: fail, usb_ep_enable returned -108 raw-gadget.0 gadget.0: fail, usb_ep_enable returned -108 raw-gadget.0 gadget.0: fail, usb_ep_enable returned -108 ================================================================== BUG: KASAN: slab-use-after-free in string_nocheck lib/vsprintf.c:648 [inline] BUG: KASAN: slab-use-after-free in string+0x376/0x420 lib/vsprintf.c:730 Read of size 1 at addr ffff88810cb69460 by task syz-executor201/3325 CPU: 1 UID: 0 PID: 3325 Comm: syz-executor201 Not tainted syzkaller #0 PREEMPT(lazy) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x5b/0x90 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x13d/0x4b0 mm/kasan/report.c:482 kasan_report+0xe4/0x120 mm/kasan/report.c:595 string_nocheck lib/vsprintf.c:648 [inline] string+0x376/0x420 lib/vsprintf.c:730 vsnprintf+0x3ed/0x1500 lib/vsprintf.c:2949 snprintf+0xa8/0xe0 lib/vsprintf.c:3047 set_dev_info drivers/base/core.c:4988 [inline] dev_vprintk_emit+0x2d5/0x330 drivers/base/core.c:4998 dev_printk_emit+0xb9/0xee drivers/base/core.c:5011 _dev_err+0xe1/0x115 drivers/base/core.c:5066 raw_process_ep_io.cold+0x69/0x8f drivers/usb/gadget/legacy/raw_gadget.c:1116 raw_ioctl_ep_write drivers/usb/gadget/legacy/raw_gadget.c:1153 [inline] raw_ioctl+0x1ee/0x2350 drivers/usb/gadget/legacy/raw_gadget.c:1325 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __x64_sys_ioctl+0x134/0x1c0 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0xa3/0x590 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1bf00785eb Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 RSP: 002b:00007ffca60a2f30 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1bf00785eb RDX: 00007ffca60a2fa4 RSI: 0000000040085507 RDI: 0000000000000003 RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffca60a2f50 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffca60a2f98 R14: 00007f1bf00fbcc0 R15: 0000000000000002 Allocated by task 1: kasan_save_stack+0x30/0x50 mm/kasan/common.c:57 kasan_save_track+0x14/0x30 mm/kasan/common.c:78 poison_kmalloc_redzone mm/kasan/common.c:409 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:426 kasan_kmalloc include/linux/kasan.h:263 [inline] __do_kmalloc_node mm/slub.c:5414 [inline] __kmalloc_node_track_caller_noprof+0x2f1/0x760 mm/slub.c:5545 kvasprintf+0xaf/0x110 lib/kasprintf.c:25 kobject_set_name_vargs+0x43/0x120 lib/kobject.c:274 dev_set_name+0xb0/0xe0 drivers/base/core.c:3564 usb_add_gadget+0x4cd/0x880 drivers/usb/gadget/udc/core.c:1459 usb_add_gadget_udc_release drivers/usb/gadget/udc/core.c:1517 [inline] usb_add_gadget_udc+0x1b/0x50 drivers/usb/gadget/udc/core.c:1564 dummy_udc_probe+0x5dc/0x860 drivers/usb/gadget/udc/dummy_hcd.c:1125 platform_probe+0xd1/0x170 drivers/base/platform.c:1507 call_driver_probe drivers/base/dd.c:628 [inline] really_probe+0x1cb/0x8d0 drivers/base/dd.c:706 __driver_probe_device+0x1a7/0x3c0 drivers/base/dd.c:868 driver_probe_device+0x45/0xd0 drivers/base/dd.c:898 __device_attach_driver+0x156/0x240 drivers/base/dd.c:1026 bus_for_each_drv+0x112/0x1a0 drivers/base/bus.c:500 __device_attach+0x191/0x3b0 drivers/base/dd.c:1098 device_initial_probe+0x78/0xa0 drivers/base/dd.c:1153 bus_probe_device+0x5d/0x140 drivers/base/bus.c:620 device_add+0xf0a/0x15d0 drivers/base/core.c:3776 platform_device_add+0x243/0x6d0 drivers/base/platform.c:833 dummy_hcd_init+0x4f7/0x790 drivers/usb/gadget/udc/dummy_hcd.c:2898 do_one_initcall+0xca/0x420 init/main.c:1362 do_initcall_level init/main.c:1424 [inline] do_initcalls init/main.c:1440 [inline] do_basic_setup init/main.c:1460 [inline] kernel_init_freeable+0x54f/0x5e0 init/main.c:1675 kernel_init+0x1c/0x140 init/main.c:1565 ret_from_fork+0x450/0x7e0 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Freed by task 3325: kasan_save_stack+0x30/0x50 mm/kasan/common.c:57 kasan_save_track+0x14/0x30 mm/kasan/common.c:78 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584 poison_slab_object mm/kasan/common.c:264 [inline] __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:296 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2748 [inline] slab_free mm/slub.c:6509 [inline] kfree+0x1c7/0x5a0 mm/slub.c:6802 kobject_cleanup lib/kobject.c:695 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put.part.0+0x186/0x440 lib/kobject.c:737 __device_release_driver drivers/base/dd.c:1349 [inline] device_release_driver_internal+0x387/0x540 drivers/base/dd.c:1372 unbind_store+0xd1/0xf0 drivers/base/bus.c:244 kernfs_fop_write_iter+0x3d0/0x5e0 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x51e/0xf30 fs/read_write.c:687 ksys_write+0xf4/0x1c0 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0xa3/0x590 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f The buggy address belongs to the object at ffff88810cb69460 which belongs to the cache kmalloc-16 of size 16 The buggy address is located 0 bytes inside of freed 16-byte region [ffff88810cb69460, ffff88810cb69470) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10cb69 flags: 0x200000000000000(node=0|zone=2) page_type: f5(slab) raw: 0200000000000000 ffff888100041640 dead000000000100 dead000000000122 raw: 0000000000000000 0000000000800080 00000000f5000000 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0xd2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 3903849229 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0xaa/0xe0 mm/page_alloc.c:1871 prep_new_page mm/page_alloc.c:1879 [inline] get_page_from_freelist+0xa68/0x3170 mm/page_alloc.c:3943 __alloc_frozen_pages_noprof+0x34d/0x6d0 mm/page_alloc.c:5436 alloc_slab_page mm/slub.c:3347 [inline] allocate_slab+0x83/0x610 mm/slub.c:3462 new_slab mm/slub.c:3513 [inline] refill_objects+0xb4/0x330 mm/slub.c:7418 refill_sheaf mm/slub.c:2885 [inline] __pcs_replace_empty_main+0x30f/0x440 mm/slub.c:4774 alloc_from_pcs mm/slub.c:4850 [inline] slab_alloc_node mm/slub.c:4984 [inline] __do_kmalloc_node mm/slub.c:5413 [inline] __kmalloc_node_track_caller_noprof+0x6a5/0x760 mm/slub.c:5545 __kmemdup_nul mm/util.c:64 [inline] kstrdup+0x3f/0xb0 mm/util.c:84 __kernfs_new_node+0x91/0x8d0 fs/kernfs/dir.c:663 kernfs_new_node+0x1ed/0x270 fs/kernfs/dir.c:759 kernfs_create_link+0x1cf/0x340 fs/kernfs/symlink.c:50 sysfs_do_create_link_sd+0x7e/0x100 fs/sysfs/symlink.c:44 bus_add_device+0x1c8/0x600 drivers/base/bus.c:583 device_add+0x7fd/0x15d0 drivers/base/core.c:3718 platform_device_add+0x243/0x6d0 drivers/base/platform.c:833 dummy_hcd_init+0x3b6/0x790 drivers/usb/gadget/udc/dummy_hcd.c:2877 page_owner free stack trace missing Memory state around the buggy address: ffff88810cb69300: 00 01 fc fc 00 04 fc fc 00 04 fc fc 00 04 fc fc ffff88810cb69380: 00 04 fc fc 00 04 fc fc 00 04 fc fc 00 04 fc fc >ffff88810cb69400: 00 00 fc fc 00 01 fc fc 00 01 fc fc fa fb fc fc ^ ffff88810cb69480: 00 02 fc fc 00 02 fc fc 00 02 fc fc 00 05 fc fc ffff88810cb69500: 00 05 fc fc 00 05 fc fc 00 05 fc fc 00 05 fc fc ==================================================================